> Closure is just a piece of code you can pass and later execute. Some say we will have those in Java in 2128 with the release of Java 37. Java 8 brought "lamb

> Closure is just a piece of code you can pass and later execute. Some say we will have those in Java in 2128 with the release of Java 37. Java 8 brought "lambdas", which behave similarly to Groovy's closures, though without the legacy inconsistencies. Have you read Jeremy Rayner's account of how closures came to be in Groovy at http://www.javanicus.com/blog2/items/191-index.html http://www.javanicus.com/blog2/items/191-index.html ? I also did a writeup on that incident at http://groovy.codeplex.com/wikipage?title=Blog02#15 http://groovy.codeplex.com/wikipage?title=Blog02#15 .